"What's that term you use to describe the way some animals imitate objects?"
"Mimicry, you mean? Such as an insect posing as a rock, a piece of bark, or a leaf?
"No, I was rather thinking about something much more complex. Can you remember back when that herd of cows shaped itself in a clock fashion — face, arms, pendulum and all — and started to tell the exact time? We had to spend days getting out other terrified animals from the deep of the woods."